import router, { resetRouter } from './router'
import store from './store'
import storage from 'store'
import NProgress from 'nprogress' // progress bar
import '@/components/NProgress/nprogress.less' // progress bar custom style
import notification from 'ant-design-vue/es/notification'
import { ACCESS_TOKEN } from '@/store/mutation-types'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const allowList = ['login'] // no redirect allowList
const loginRoutePath = '/user/login'
const defaultRoutePath = '/home'

router.beforeEach((to, from, next) => {
  NProgress.start() // start progress bar
  if (to.meta && typeof to.meta.title !== 'undefined') {
    document.title = to.meta.title
  }
  /* has token */
  const token = storage.get(ACCESS_TOKEN)
  if (token) {
    if (to.path === loginRoutePath) {
      next({ path: defaultRoutePath })
      NProgress.done()
    } else {
      if (!store.getters.hasSetInfo) {
        store
        .dispatch('getInfo')
        .then(res => {
          if (res.code === 500 || res.code === 404) {
            store.dispatch('logout').then(() => {
              next({ path: loginRoutePath, query: { redirect: to.fullPath } })
            })
            return
          }
          store.dispatch('GenerateRoutes', { token, ...res }).then(() => {
            // 动态添加可访问路由表
            // VueRouter@3.5.0+ New API
            resetRouter() // 重置路由 防止退出重新登录或者 token 过期后页面未刷新，导致的路由重复添加
            store.getters.addRouters.forEach(r => {
              router.addRoute(r)
            })
            // 请求带有 redirect 重定向时，登录自动重定向到该地址
            const redirect = decodeURIComponent(from.query.redirect || to.path)
            if (to.path === redirect) {
              // set the replace: true so the navigation will not leave a history record
              next({ ...to, replace: true })
            } else {
              // 跳转到目的路由
              next({ path: redirect })
            }
          })
        })
        .catch(() => {
          notification.error({
            message: '错误',
            description: '请求用户信息失败，请重试'
          })
          // 失败时，获取用户信息失败时，调用登出，来清空历史保留信息
          store.dispatch('logout').then(() => {
            next({ path: loginRoutePath, query: { redirect: to.fullPath } })
          })
        })
      } else {
        next()
      }
    }
  } else {
    if (to.path.startsWith('/ifm') || allowList.includes(to.name)) {
      // 在免登录名单，直接进入
      next()
    } else {
      next({ path: loginRoutePath, query: { redirect: to.fullPath } })
      NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
    }
  }
})

router.afterEach(() => {
  NProgress.done() // finish progress bar
})
